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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 3447-3456
DOI: https://doi.org/10.20546/ijcmas.2017.609.423


Study on Bioefficacy of Insecticides against Shoot Weevil (Alcidodes affaber Aurivillius) in Okra (Abelmoschus esculentus Linn.)
A. Manjunatha1*, S. B. Patil2, S. S. Udikeri3 and Shamarao Jahagirdhar4
1Department of Agricultural Entomology, UAS, Dharwad - 580 005, Karnataka, India
2Associate Director of Extension, Vijayapura, UAS, Dharwad - 580 005, Karnataka, India
3Cotton Entomology, AICCIP, ARS, Heballi, UAS, Dharwad - 580 005, Karnataka, India
4Plant Pathology, Soybean Scheme, MARS, UAS, Dharwad - 580 005, Karnataka, India
*Corresponding author
Abstract:

Experiment was conducted during 2015 kharif season at MARS, Dharwad to investigate the bioefficacy of insecticides against shoot weevil Alcidodes affaber in okra by using a variety Arka anamika. Randomized block design was followed with 9 treatments and replicated thrice. The results indicated that application of Profenophos50EC@2mL/L+DDVP 76EC@0.5mL/L at 20, 40 and 60 DAS was effective in reducing the incidence of shoot weevil and recorded significantly higher okra fruit yield of 8316 kg/ha, followed by treatment sprayed with Thiodicarb70WP@1.0g/L+DDVP76EC@0.5mL/L (6850.13 kg/ha). On the contrary untreated check yielded significantly lowest yield of 1264.28 kg/ha. Field observations suggested that sparaying of Profenophos 50EC@2mL/L + DDVP 76EC @ 0.5mL/L was economical and most remunerative recorded highest benefit cost ratio (B:C ratio) of 3.83 it was followed by Thiodicarb 70WP@1.0g/L+DDVP 76EC@0.5mL/L.


Keywords: Bioefficacy, Insecticides, Okra, Shoot weevil (Alcidodes affaber), Yield.
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How to cite this article:

Manjunatha, H.A., S.B. Patil, S.S. Udikeri and Shamarao Jahagirdhar. 2017. Study on Bioefficacy of Insecticides against Shoot Weevil (Alcidodes affaber Aurivillius) in Okra (Abelmoschus esculentus Linn.).Int.J.Curr.Microbiol.App.Sci. 6(9): 3447-3456. doi: https://doi.org/10.20546/ijcmas.2017.609.423